In the grasslands, trees do not replace the grasses as a part of an ecological succession because of
Consider the following:
1. Electromagnetic radiation
2. Geothermal energy
3. Gravitational force
4. Plate movements
5. Rotation of the earth
6. Revolution of the earth
Which of the above are responsible for bringing dynamic changes in the surface of the
earth?
Consider the following animals
1. Sea cow
2. Sea horse
3. Sea lion
Which of the above is/are mammal/mammals?
Which of the following can be found as pollutants in the drinking water in someparts of India?
1. Arsenic
2. Sorbitol
3. Formaldehyde
4. Uranium
Select the correct answer using the codes given below.
1. Star tortoise
2. Monitor lizard
3. Pygmy hog
4. Spider monkey
Which of the above are naturally found in India?
Recombinant DNA technology (Genetic Engineering) allows genes to betransferred
1. across different species of plants
2. from animals to plants
3. from microorganisms to higher organisms